function onBridgeReady() {
    WeixinJSBridge.call('hideOptionMenu');
}
if (typeof WeixinJSBridge == "undefined") {
    if (document.addEventListener) {
        document.addEventListener('WeixinJSBridgeReady', onBridgeReady, false);
    } else if (document.attachEvent) {
        document.attachEvent('WeixinJSBridgeReady', onBridgeReady);
        document.attachEvent('onWeixinJSBridgeReady', onBridgeReady);
    }
} else {
    onBridgeReady();
}
//屏蔽右键点击
document.oncontextmenu = function (event) {
    if (window.event) {
        event = window.event;
    }
    try {
        var the = event.srcElement;
        if (!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")) {
            return false;
        }
        return true;
    } catch (e) {
        return false;
    }
};
//屏蔽F12
document.onkeydown = function () {
    if (window.event && window.event.keyCode == 123) {
        alert("F12被禁用");
        event.keyCode = 0;
        event.returnValue = false;
    }
    if (window.event && window.event.keyCode == 13) {
        window.event.keyCode = 505;
    }
    if (window.event && window.event.keyCode == 8) {
        alert(str + "\n请使用Del键进行字符的删除操作！");
        window.event.returnValue = false;
    }
};


